Home / 87,935.07-131,901.45-21,375.01

Finding the Fourth Proportional to 87,935.07, 131,901.45 and 21,375.01

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Solution

The fourth proportional to 87,935.07, 131,901.45 and 21,375.01 is: 32,062.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,935.07 : 131,901.45 = 21,375.01 : x
  2. Step 2: Convert to fraction form
    87,935.07/131,901.45 = 21,375.01/x
  3. Step 3: Cross multiply
    87,935.07x = 131,901.45 × 21,375.01
  4. Step 4: Simplify right side
    87,935.07x = 2,819,394,812.76
  5. Step 5: Solve for x
    x = 2,819,394,812.76/87,935.07
  6. Step 6: Final answer
    x = 32,062.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.